Word counter
Count words, sentences and reading time.
Open toolROT13 text converter
Apply the reversible ROT13 letter substitution.
Your input stays in this browser. No account needed.
THE QUICK GUIDE
How to use rot13 text converter
Enter your text, then process it. Copy or download the result.
How it works
Moves ASCII letters 13 positions in the alphabet; numbers and other scripts stay unchanged; this is not encryption.
A useful example
Hello → Uryyb
Good to know
Input stays in your browser. Text input is limited to 200,000 characters. CSV cells containing formulas should be reviewed before opening in spreadsheet software.